1 /* 2 * Samsung exynos4 SoC based boards emulation 3 * 4 * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. 5 * Maksim Kozlov <m.kozlov@samsung.com> 6 * Evgeny Voevodin <e.voevodin@samsung.com> 7 * Igor Mitsyanko <i.mitsyanko@samsung.com> 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, but WITHOUT 15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 * for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, see <http://www.gnu.org/licenses/>. 21 * 22 */ 23 24 #include "qemu/osdep.h" 25 #include "qapi/error.h" 26 #include "qemu/error-report.h" 27 #include "qemu-common.h" 28 #include "cpu.h" 29 #include "sysemu/sysemu.h" 30 #include "hw/sysbus.h" 31 #include "net/net.h" 32 #include "hw/arm/boot.h" 33 #include "exec/address-spaces.h" 34 #include "hw/arm/exynos4210.h" 35 #include "hw/net/lan9118.h" 36 #include "hw/boards.h" 37 38 #define SMDK_LAN9118_BASE_ADDR 0x05000000 39 40 typedef enum Exynos4BoardType { 41 EXYNOS4_BOARD_NURI, 42 EXYNOS4_BOARD_SMDKC210, 43 EXYNOS4_NUM_OF_BOARDS 44 } Exynos4BoardType; 45 46 typedef struct Exynos4BoardState { 47 Exynos4210State *soc; 48 MemoryRegion dram0_mem; 49 MemoryRegion dram1_mem; 50 } Exynos4BoardState; 51 52 static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = { 53 [EXYNOS4_BOARD_NURI] = 0xD33, 54 [EXYNOS4_BOARD_SMDKC210] = 0xB16, 55 }; 56 57 static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = { 58 [EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG, 59 [EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG, 60 }; 61 62 static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = { 63 [EXYNOS4_BOARD_NURI] = 0x40000000, 64 [EXYNOS4_BOARD_SMDKC210] = 0x40000000, 65 }; 66 67 static struct arm_boot_info exynos4_board_binfo = { 68 .loader_start = EXYNOS4210_BASE_BOOT_ADDR, 69 .smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR, 70 .nb_cpus = EXYNOS4210_NCPUS, 71 .write_secondary_boot = exynos4210_write_secondary, 72 }; 73 74 static void lan9215_init(uint32_t base, qemu_irq irq) 75 { 76 DeviceState *dev; 77 SysBusDevice *s; 78 79 /* This should be a 9215 but the 9118 is close enough */ 80 if (nd_table[0].used) { 81 qemu_check_nic_model(&nd_table[0], "lan9118"); 82 dev = qdev_create(NULL, TYPE_LAN9118); 83 qdev_set_nic_properties(dev, &nd_table[0]); 84 qdev_prop_set_uint32(dev, "mode_16bit", 1); 85 qdev_init_nofail(dev); 86 s = SYS_BUS_DEVICE(dev); 87 sysbus_mmio_map(s, 0, base); 88 sysbus_connect_irq(s, 0, irq); 89 } 90 } 91 92 static void exynos4_boards_init_ram(Exynos4BoardState *s, 93 MemoryRegion *system_mem, 94 unsigned long ram_size) 95 { 96 unsigned long mem_size = ram_size; 97 98 if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) { 99 memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1", 100 mem_size - EXYNOS4210_DRAM_MAX_SIZE, 101 &error_fatal); 102 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR, 103 &s->dram1_mem); 104 mem_size = EXYNOS4210_DRAM_MAX_SIZE; 105 } 106 107 memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size, 108 &error_fatal); 109 memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR, 110 &s->dram0_mem); 111 } 112 113 static Exynos4BoardState * 114 exynos4_boards_init_common(MachineState *machine, 115 Exynos4BoardType board_type) 116 { 117 Exynos4BoardState *s = g_new(Exynos4BoardState, 1); 118 119 exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type]; 120 exynos4_board_binfo.board_id = exynos4_board_id[board_type]; 121 exynos4_board_binfo.smp_bootreg_addr = 122 exynos4_board_smp_bootreg_addr[board_type]; 123 exynos4_board_binfo.kernel_filename = machine->kernel_filename; 124 exynos4_board_binfo.initrd_filename = machine->initrd_filename; 125 exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline; 126 exynos4_board_binfo.gic_cpu_if_addr = 127 EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100; 128 129 exynos4_boards_init_ram(s, get_system_memory(), 130 exynos4_board_ram_size[board_type]); 131 132 s->soc = exynos4210_init(get_system_memory()); 133 134 return s; 135 } 136 137 static void nuri_init(MachineState *machine) 138 { 139 exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI); 140 141 arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); 142 } 143 144 static void smdkc210_init(MachineState *machine) 145 { 146 Exynos4BoardState *s = exynos4_boards_init_common(machine, 147 EXYNOS4_BOARD_SMDKC210); 148 149 lan9215_init(SMDK_LAN9118_BASE_ADDR, 150 qemu_irq_invert(s->soc->irq_table[exynos4210_get_irq(37, 1)])); 151 arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo); 152 } 153 154 static void nuri_class_init(ObjectClass *oc, void *data) 155 { 156 MachineClass *mc = MACHINE_CLASS(oc); 157 158 mc->desc = "Samsung NURI board (Exynos4210)"; 159 mc->init = nuri_init; 160 mc->max_cpus = EXYNOS4210_NCPUS; 161 mc->min_cpus = EXYNOS4210_NCPUS; 162 mc->default_cpus = EXYNOS4210_NCPUS; 163 mc->ignore_memory_transaction_failures = true; 164 } 165 166 static const TypeInfo nuri_type = { 167 .name = MACHINE_TYPE_NAME("nuri"), 168 .parent = TYPE_MACHINE, 169 .class_init = nuri_class_init, 170 }; 171 172 static void smdkc210_class_init(ObjectClass *oc, void *data) 173 { 174 MachineClass *mc = MACHINE_CLASS(oc); 175 176 mc->desc = "Samsung SMDKC210 board (Exynos4210)"; 177 mc->init = smdkc210_init; 178 mc->max_cpus = EXYNOS4210_NCPUS; 179 mc->min_cpus = EXYNOS4210_NCPUS; 180 mc->default_cpus = EXYNOS4210_NCPUS; 181 mc->ignore_memory_transaction_failures = true; 182 } 183 184 static const TypeInfo smdkc210_type = { 185 .name = MACHINE_TYPE_NAME("smdkc210"), 186 .parent = TYPE_MACHINE, 187 .class_init = smdkc210_class_init, 188 }; 189 190 static void exynos4_machines_init(void) 191 { 192 type_register_static(&nuri_type); 193 type_register_static(&smdkc210_type); 194 } 195 196 type_init(exynos4_machines_init) 197